Re: Parallelize correlated subqueries that execute within each worker

James Coleman <jtc331@gmail.com>

From: James Coleman <jtc331@gmail.com>

To: Daniel Gustafsson <daniel@yesql.se>

Cc: pgsql-hackers <pgsql-hackers@postgresql.org>, Amit Kapila <amit.kapila16@gmail.com>

Date: 2021-09-07T13:16:49Z

Lists: pgsql-hackers

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →

Windows support in pg_import_system_collations
- bf03cfd16217 16.0 cited
Remove pessimistic cost penalization from Incremental Sort
- 4a29eabd1d91 16.0 cited

Attachments

v2-0001-Allow-parallel-LATERAL-subqueries-with-LIMIT-OFFS.patch (application/octet-stream) patch v2-0001
v2-0002-Parallel-query-support-for-basic-correlated-subqu.patch (application/octet-stream) patch v2-0002
v2-0003-Other-places-to-consider-for-completeness.patch (application/octet-stream) patch v2-0003

On Wed, Sep 1, 2021 at 7:06 AM Daniel Gustafsson <daniel@yesql.se> wrote:
>
> > On 7 May 2021, at 18:30, James Coleman <jtc331@gmail.com> wrote:
>
> > ..here we are now, and I finally have this patch cleaned up
> > enough to share.
>
> This patch no longer applies to HEAD, can you please submit a rebased version?

See attached.

Thanks,
James